GB1158482A - Optical Memory Systems - Google Patents
Optical Memory SystemsInfo
- Publication number
- GB1158482A GB1158482A GB35586/66A GB3558666A GB1158482A GB 1158482 A GB1158482 A GB 1158482A GB 35586/66 A GB35586/66 A GB 35586/66A GB 3558666 A GB3558666 A GB 3558666A GB 1158482 A GB1158482 A GB 1158482A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo
- region
- conductors
- magnetic
- remanent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title 1
- 239000004020 conductor Substances 0.000 abstract 5
- 239000002223 garnet Substances 0.000 abstract 3
- 239000000696 magnetic material Substances 0.000 abstract 3
- 239000004411 aluminium Substances 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 229910052727 yttrium Inorganic materials 0.000 abstract 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 abstract 2
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- ZSOJHTHUCUGDHS-UHFFFAOYSA-N gadolinium iron Chemical compound [Fe].[Gd] ZSOJHTHUCUGDHS-UHFFFAOYSA-N 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000001259 photo etching Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 abstract 1
- 239000012780 transparent material Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
Landscapes
- Thin Magnetic Films (AREA)
- Semiconductor Memories (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47815365A | 1965-08-09 | 1965-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1158482A true GB1158482A (en) | 1969-07-16 |
Family
ID=23898759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35586/66A Expired GB1158482A (en) | 1965-08-09 | 1966-08-09 | Optical Memory Systems |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3421154A (enrdf_load_stackoverflow) |
| BE (1) | BE685104A (enrdf_load_stackoverflow) |
| DE (1) | DE1524005A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1158482A (enrdf_load_stackoverflow) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3155944A (en) * | 1959-08-20 | 1964-11-03 | Sperry Rand Corp | Photo-magnetic memory devices |
| NL256735A (enrdf_load_stackoverflow) * | 1959-11-16 | |||
| NL278624A (enrdf_load_stackoverflow) * | 1961-05-19 | |||
| US3150356A (en) * | 1961-12-22 | 1964-09-22 | Ibm | Magnetic patterns |
| US3319235A (en) * | 1963-08-15 | 1967-05-09 | Bell Telephone Labor Inc | Optically scanned ferromagnetic memory apparatus |
-
1965
- 1965-08-09 US US478153A patent/US3421154A/en not_active Expired - Lifetime
-
1966
- 1966-07-06 DE DE19661524005 patent/DE1524005A1/de active Pending
- 1966-08-04 BE BE685104D patent/BE685104A/xx unknown
- 1966-08-09 GB GB35586/66A patent/GB1158482A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1524005A1 (de) | 1970-07-30 |
| US3421154A (en) | 1969-01-07 |
| BE685104A (enrdf_load_stackoverflow) | 1967-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |